mb_ereg_search_setpos
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
mb_ereg_search_setpos — Set start point of next regular expression match
說明
mb_ereg_search_setpos(int
$offset): boolmb_ereg_search_setpos() sets the starting point of a match for mb_ereg_search().
參數
-
offset -
The position to set. If it is negative, it counts from the end of the string.
返回值
成功時返回 true， 或者在失敗時返回 false。
更新日誌
| 版本 | 說明 |
|---|---|
| 7.1.0 |
Support for negative offsets has been added.
|
註釋
注意:
mb_regex_encoding() 指定的內部編碼或字元編碼將會當作此函式用的字元編碼。
參見
- mb_regex_encoding() - Set/Get character encoding for multibyte regex
- mb_ereg_search_init() - Setup string and regular expression for a multibyte regular expression match